期刊
BLOOD
卷 113, 期 26, 页码 6572-6575出版社
AMER SOC HEMATOLOGY
DOI: 10.1182/blood-2009-02-207803
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- National Cancer Institute [CA55819]
We report on prognostic implications for postrelapse survival (PRS) of a gene expression profiling (GEP)-defined risk score at relapse available in 120 myeloma patients previously enrolled in tandem transplantation trial Total Therapy 2. Among the 71 patients with additional GEP baseline information, 3-year PRS was 71% in 40 patients with low risk present both at baseline and relapse contrasting with only 17% in 28 patients with high risk at relapse, 12 of whom with baseline low-risk status fared better than the remainder (P = .08). On multivariate analysis of relapse parameters available in 104 patients, high risk conferred short PRS (hazard ratio = 4.00, P < .001, R-2 = 33%), whereas relapse hyperdiploidy predicted long PRS (hazard ratio = 0.37, P = .022, cumulative R-2 = 41%). In case the initial partial response lasted less than 2 years, relapse low-risk identified 26 patients with superior 3-year PRS of 61% versus 9% among 32 with relapse high-risk (P < .001). Based on its PRS predictive power, GEP analysis should be an integral part of new agent trials in search of better therapy for high-risk myeloma. (Blood. 2009; 113: 6572-6575)
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